Praxair Material Safety Data Sheet
1. Chemical Product and Company Identification
Chemical Formula: HSiCl3
Emergencies: * 1-800-363-0042
Praxair Canada Inc.
1 City Centre Drive
Mississauga, ON L5B 1M2
Praxair Chlorosilane A-19
*Call emergency numbers 24 hours a day only for spills, leaks, fire, exposure, or accidents involving this
product. For routine information, contact your supplier or Praxair sales representative.
2. Composition and Information on Ingredients
(Rat, 4 hrs.)
3. Hazards Identification
Flammable, corrosive liquid and gas under pressure. Harmful or fatal if inhaled. Can cause
eye, skin, and respiratory tract burns. Can form explosive mixtures with air. Water can cause
violent reaction. Contact with water or moist air liberates irritating gas. Self-contained
breathing apparatus and protective clothing must be worn by rescue workers.
THRESHOLD LIMIT VALUE: TLV-TWA Data from 2007 Guide to Occupational Exposure Values (ACGIH).
TLV-TWAs should be used as a guide in the control of health hazards and not as fine lines between safe and
Low vapor concentrations will irritate the nose, throat, and chest, causing discomfort and pain
with coughing, excess sputum, runny nose, and difficulty breathing. Higher concentrations
may result in inhalation of harmful and, because of injury to the nasal passages, larynx, and
lungs, potentially lethal, amounts of material.
EFFECTS OF A SINGLE (ACUTE) OVEREXPOSURE:
Brief contact will cause itching o